Mines (Orange County): Arsenopyrite & Leucopyrite Rockhounding in Orange County, New York

Updated June 2026

Mines (Orange County) is a mapped rockhounding spot in Orange County, New York. Reported finds include arsenopyrite, leucopyrite, scorodite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Orange County
State: New York
Nearest road: Little York Road
Postcode: 10990
Coordinates: 41.29887, -74.42270

Geology at Mines (Orange County)

This spot sits on Calcitic and dolomitic marble, mapped as marble that formed roughly 1600 to 1000 million years ago. Metamorphic terrain like this commonly hosts vein and replacement mineralization, and old workings typically mark the productive zones.

Mapped unit: Calcitic and dolomitic marble
Age: 1600–1000 Ma (Mesoproterozoic)
Rock types: marble
Elevation: 490 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Mines (Orange County)

Best months: March to November. Typical highs run 83°F in midsummer and 35°F in midwinter, with winter lows near 19°F.

Climate normals: NOAA 1991-2020 monthlies, MIDDLETOWN 2 NW station (11 mi away), adjusted for elevation.

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Mines (Orange County)

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Mines (Orange County).

Across the state line from Mines (Orange County)

Mines (Orange County) is close enough to the New York border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Mines (Orange County) FAQ

Where is Mines (Orange County)?+

Mines (Orange County) is in Orange County, New York, at 41.29887, -74.42270. Nearest road: Little York Road.

What rocks and minerals can you find at Mines (Orange County)?+

Mines (Orange County) is reported to produce Arsenopyrite, Leucopyrite, Scorodite.

Is collecting allowed at Mines (Orange County)?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Mines (Orange County)?+

A rock hammer, gloves, and safety glasses cover old mining-district ground. Stay out of shafts and adits; the best specimens typically come from dump piles.

When is the best time to visit Mines (Orange County)?+

The most comfortable months at Mines (Orange County) are March to November.

How do I get to Mines (Orange County)?+

Open the directions link to navigate to 41.29887, -74.42270 in Google Maps. The nearest road is Little York Road.

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Open Mines (Orange County) on the map

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